I mean, why would you wear an expensive electronic device in the shower, even if you can? In the very, very slightest of chances that water does get inside, it's broken.

I mean, working for T-Mobile, I saw an account once where one of the lines had over 40,000 text messages sent in less than a month, I saw it with my own eyes. The caller was the parent of the person who had the line, apparently a 13 year old girl. She would put her phone inside a ziplock bag so she could keep texting even when in the shower.

It's not because I want to do that, is to measure what's the product's resistance. I'm not planning to take it into the shower with me (it was an example), but there are other scenarios that may involve the same exposure to liquids. Don't take it too literal.